instance method `revert`

Ruby on Rails 6.1.7.10

Since v4.0.13

Available in: v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

revert()

While executing the given block, the recorded will be in reverting mode. All commands recorded will end up being recorded reverted and in reverse order. For example:

recorder.revert{ recorder.record(:rename_table, [:old, :new]) }
# same effect as recorder.record(:rename_table, [:new, :old])

Source

# File activerecord/lib/active_record/migration/command_recorder.rb, line 64
      def revert
        @reverting = !@reverting
        previous = @commands
        @commands = []
        yield
      ensure
        @commands = previous.concat(@commands.reverse)
        @reverting = !@reverting
      end

Defined in activerecord/lib/active_record/migration/command_recorder.rb line 64 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::Migration::CommandRecorder

Signature